Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 10 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 10/08/2019   19:10:40   (   0.02,-137.20) (  -0.60,-134.25)  335.96                80
 10/09/2019   07:32:04   (  -0.02,-137.21) (  -0.51,-139.43)  253.79                80
 10/11/2019   07:17:14   (  -0.01,-137.20) (   0.18,-136.49)   81.79                80
 10/13/2019   07:05:03   (   0.00,-137.19) (   0.81,-133.54)  416.74                80
 10/13/2019   19:28:57   (  -0.00,-137.19) (   0.33,-138.68)  170.65                80
 10/15/2019   19:16:47   (  -0.02,-137.17) (  -0.36,-135.74)  163.43                80
 10/16/2019   07:35:31   (   0.02,-137.17) (  -0.75,-140.93)  426.60                80
 10/17/2019   19:04:36   (   0.00,-137.15) (  -0.93,-132.77)  497.63                80
 10/18/2019   07:23:19   (  -0.00,-137.15) (  -0.17,-137.96)   92.72                80
 10/20/2019   07:13:47   (  -0.01,-137.11) (   0.41,-134.99)  239.91                80
 10/20/2019   19:32:23   (   0.01,-137.09) (   0.68,-140.15)  348.45                80